5640228 has 36 divisors (see below), whose sum is σ = 15554448. Its totient is φ = 1709040.

The previous prime is 5640211. The next prime is 5640251. The reversal of 5640228 is 8220465.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6726 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (432068).

Almost surely, 2^5640228 is an apocalyptic number.

It is an amenable number.

5640228 is an abundant number, since it is smaller than the sum of its proper divisors (9914220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5640228 is a wasteful number, since it uses less digits than its factorization.

5640228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264 (or 14259 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 5640228 is about 2374.9164195820. The cubic root of 5640228 is about 178.0050076443.

The spelling of 5640228 in words is "five million, six hundred forty thousand, two hundred twenty-eight".